Finding the Fourth Proportional to 3,123.90, 4,310.82 and 1,726.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.90 : 4,310.82 = 1,726.56 : x
2. Step 2: Convert to fraction form
   3,123.90/4,310.82 = 1,726.56/x
3. Step 3: Cross multiply
   3,123.90x = 4,310.82 × 1,726.56
4. Step 4: Simplify right side
   3,123.90x = 7,442,889.38
5. Step 5: Solve for x
   x = 7,442,889.38/3,123.90
6. Step 6: Final answer
   x = 2,382.56